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DTC P0011: Intake Variable Valve Timing System Target Error
 
 
 
 
TECHNICAL DESCRIPTION
  • The ECM checks the variable valve timing system for malfunction.
 
 
DESCRIPTIONS OF MONITOR METHODS
  • The difference between the actual intake valve opening timing and the intake valve target opening timing is over the specified value.
 
 
MONITOR EXECUTION
  • Continuous
 
 
MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)
Other Monitor (There is no temporary DTC stored in memory for the item monitored below)
  • Not applicable
Sensor (The sensor below is determined to be normal)
  • Camshaft position sensor
  • Crankshaft position sensor
  • Engine coolant temperature sensor
  • Throttle position sensor
  • Engine oil control valve
 
 
DTC SET CONDITIONS
Logic Flow Chart
Check Conditions
  • More than 20 seconds have passed since the engine starting sequence was completed.
  • Engine speed is more than 1,188 r/min.
  • Engine coolant temperature is more than 76°C (169°F).
Judgment Criterion
  • The difference between the actual intake valve opening timing and the intake valve target opening timing is more than 5 degrees for 5 seconds.
 
 
FAIL-SAFE AND BACKUP FUNCTION
  • None
 
 
OBD-II DRIVE CYCLE PATTERN
  • Refer to Diagnostic Function - OBD-II Drive Cycle - Pattern 20 .
 
 
TROUBLESHOOTING HINTS (The most likely causes for this code to be set are:)
  • Intake engine oil control valve failed.
  • Oil passage of variable valve timing control system clogged.
  • Intake variable valve timing sprocket operation mechanism stuck.
  • ECM failed.

 
 
DIAGNOSIS
Required Special Tool:
  • MB991958: Scan Tool (M.U.T.-III Sub Assembly)
    • MB991824: V.C.I.
    • MB991827: USB Cable
    • MB991910: Main Harness A
STEP 1. Using scan tool MB991958, read the diagnostic trouble code (DTC).
cautionTo prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958, read the DTC.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is the diagnostic trouble code other than P0011 set?
Refer to, Diagnostic Trouble Code Chart .
Go to Step 2.
 
STEP 2. Check the intake engine oil control valve.
Refer to, Engine Oil Control Valve Check .
Is the check result normal?
Go to Step 3.
Replace the intake engine oil control valve. Then go to Step 6.
 
STEP 3. Check intake variable valve timing sprocket operation mechanism for being stuck.
Refer to GROUP 11B, Timing Chain - Inspection .
Is the check result normal?
Go to Step 4.
Repair it. Then go to Step 6.
 
STEP 4. Check oil passage of intake variable valve timing control system for being clogged.
Is the check result normal?
Go to Step 5.
Repair it. Then go to Step 6.
 
STEP 5. Check the trouble symptoms.
(1) Carry out test drive with the drive cycle pattern. Refer to Diagnostic Function - OBD-II Drive Cycle - Pattern 20 .
(2) Check the diagnostic trouble code (DTC).
Is DTC P0011 set?
Replace the ECM (Refer to, Removal and Installation ). Then go to Step 6.
It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions .
 
STEP 6. Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to Diagnostic Function - OBD-II Drive Cycle - Pattern 20 .
(2) Check the diagnostic trouble code (DTC).
Is DTC P0011 set?
Retry the troubleshooting.
The inspection is complete.